Many if not most people that have really looked at the "behind the scenes" (as much as that's possible) of WW2 but also at the many incongruencies will come to the same or a similar conclusion. Unlike a previous said, it isn't in the least laughable, sadly, rather it's the most likely scenario. Much more evidence could be adduced. E.g. how things went in Norway etc.
The shallow, sanitized version of history officially presented until this day is laughable. Read this book and others on the issue, you will not regret it.

This has to be the most ridiculous thing I have ever read.